<template>
	<section>
		<!--工具条 查询位置-->
		<el-col :span="24" class="toolbar" style="padding-bottom: 0px;">
			<el-form :inline="true" :model="filters">
				<el-form-item>
					<el-input v-model="filters.name" placeholder="高级查询"></el-input>
				</el-form-item>
				<el-form-item>
					<el-button type="primary" v-on:click="getDepartQuery">查询</el-button>
				</el-form-item>
				<el-form-item>
					<el-button type="primary" @click="handleAdd">新增</el-button>
				</el-form-item>
			</el-form>
		</el-col>

		<!--列表
		    :data="departments"：绑定的数据
		    highlight-current-row：高亮显示
        v-loading="listLoading"：忙等框
        @selection-change="selsChange" - 勾选复选框触发事件
        sortable - 是否排序

		-->
    <el-table :data="departments" highlight-current-row v-loading="listLoading" @selection-change="selsChange" style="width: 100%;">
      <el-table-column type="selection" width="55">
      </el-table-column>
      <el-table-column type="index" width="60">
      </el-table-column>
      <el-table-column prop="name" label="部门名称" width="120" sortable>
      </el-table-column>
      <el-table-column prop="sn" label="部门编号" width="120" sortable>
      </el-table-column>
      <el-table-column prop="manager.username" label="部门领导" width="120" sortable>
      </el-table-column>
      <el-table-column prop="parent.name" label="上级部门" width="120" sortable>
      </el-table-column>

      <el-table-column prop="state" label="是否启用" width="100" sortable>
        <template scope="scope">
          <el-span style="color: green" v-if="scope.row.state==1" size="small" >启用</el-span>
          <el-span style="color: red" v-else-if="scope.row.state==0" size="small" >禁用</el-span>
        </template>
      </el-table-column>

      <el-table-column label="操作" width="150">
				<template scope="scope">
					<el-button size="small" @click="handleEdit(scope.$index, scope.row)">编辑</el-button>
					<el-button type="danger" size="small" @click="handleDel(scope.$index, scope.row)">删除</el-button>
				</template>
			</el-table-column>
		</el-table>

		<!--工具条-->
		<el-col :span="24" class="toolbar">
			<el-button type="danger" @click="batchRemove" :disabled="this.sels.length===0">批量删除</el-button>
			<el-pagination
          layout="prev, pager, next"
          @current-change="handleCurrentChange"
          :page-size="pageSize"
          :total="totals"
          style="float:right;">
			</el-pagination>
		</el-col>

		<!--编辑界面-->
    <el-dialog :title="title" :visible.sync="editFormVisible" :close-on-click-modal="false">
      <el-form :model="editForm" label-width="80px" :rules="editFormRules" ref="editForm">
        <el-form-item label="部门名称" prop="name">
          <el-input v-model="editForm.name" auto-complete="off"></el-input>
        </el-form-item>

        <el-form-item label="部门编号" prop="sn">
          <el-input v-model="editForm.sn" auto-complete="off"></el-input>
        </el-form-item>

        <el-form-item label="部门状态">
          <el-radio-group v-model="editForm.state">
            <el-radio class="radio" :label="1">启用</el-radio>
            <el-radio class="radio" :label="0">禁用</el-radio>
          </el-radio-group>
        </el-form-item>

        <el-form-item label="上级部门" prop="parent_id">
          <!--<el-input v-model="editForm.parent_id" auto-complete="off"></el-input>-->
          <!--:options="deptTree":绑定的数据-->
          <el-cascader v-model="editForm.parent_id"
                       :options="deptTree"
                       :props="{checkStrictly: true,
                label:'name',
                value: 'id'
              }"
                       clearable>
          </el-cascader>
        </el-form-item>
        <el-form-item label="部门经理" prop="manager_id">
          <!--
            v-for="item in cities":  循环
             :label:  展示的名字
             :value: 向后端传的值
          -->
          <el-select clearable v-model="editForm.manager_id" placeholder="请选择">
            <el-option
                v-for="item in employees"
                :label="item.username"
                :value="item.id">
              <span style="float: left">{{ item.username }}</span>
              <span style="float: right; color: #8492a6; font-size: 13px">{{ item.phone }}</span>
            </el-option>
          </el-select>
        </el-form-item>

      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button @click.native="editFormVisible = false">取消</el-button>
        <el-button type="primary" @click.native="editSubmit" :loading="editLoading">提交</el-button>
      </div>
    </el-dialog>
  </section>
</template>

<script>

export default {
  data() {
    return {
      deptTree: [],
      employees:[],
      title:"",
      filters: {
        name: ''
      },
      departments: [],
      totals: 0,
      currentPage: 1,
      pageSize: 5,
      listLoading: false,
      sels: [],//列表选中列

      editFormVisible: false,//编辑界面是否显示
      editLoading: false,

      // 表单校验
      editFormRules: {
        name: [
          { required: true, message: '请输入部门名称', trigger: 'blur' }
        ],
        sn: [
          { required: true, message: '请输入部门编号', trigger: 'blur' }
        ],
      },
      //新增界面数据
      editForm: {
        id: null,
        sn: '',
        name: '',
        state: null,
        parent_id: null,
        manager_id: null,
      },
    }
  },
  methods: {
    // 查询部门树
    getDeptTree(){
      this.$http.get("/dept/deptTree")
      .then(res=>{   // 这里后台要返回一个list集合
        this.deptTree = res.data;
      }).catch(res=>{

      });
    },

    getEmployees(){
      this.$http.get("/emp")
      .then(res=>{
        this.employees = res.data;
      })
    },

    // 关于高级查询-刷新回到第一页
    getDepartQuery(){
      this.currentPage = 1;
      this.getDepartments();
    },

    handleCurrentChange(currentPage) {
      this.currentPage = currentPage;
      // 从新发送请求
      this.getDepartments();
    },
    //获取部门列表
    getDepartments() {
      let para = {
        currentPage: this.currentPage,
        pageSize: this.pageSize,
        keywords: this.filters.name  // 高级查询才是
      };
      // 开启忙等框
      this.listLoading = true;
      // 发送请求  axios  需要配置axios全局
      this.$http.post("/dept",para)
          .then(res=>{  // res: PageList: {totals:xx, rows: xx}

            // 关闭忙等框
            this.listLoading = false;
            this.departments = res.data.rows;
            this.totals = res.data.totals;
          }).catch(res=>{
        this.$message.error('系统繁忙，请稍后重试！！');
      })

    },
    //删除
    handleDel: function (index, row) {
      this.$confirm('确认删除该记录吗?', '提示!', {
        type: 'warning'
      }).then(() => {  // 点击确认删除走这里
        // 开启忙等框
        this.listLoading = true;

        // 发送请求
        this.$http.delete("/dept/"+row.id)
        .then(res=>{
          // 关闭忙等框
          this.listLoading = false;
          if(res.data.success){
            this.$message({
              message:'删除成功',
              type: 'success'
            });
          }else {
            this.$message({
              message: res.data.msg,
              type: 'error'
            });
          }
          // 从新发送请求
          this.getDepartments();
        }).catch(res=>{
          this.$message({
            message:'删除成功',
            type: 'error'
          });
        });
/*        removeDepartment(para).then((res) => {
          this.listLoading = false;
          //NProgress.done();
          this.$message({
            message: '删除成功',
            type: 'success'
          });
          this.getDepartments();
        });*/
      }).catch(() => {  // 点取消按钮走这里

      });
    },
    //显示编辑界面 - 编辑按钮
    handleEdit: function (index, row) {
      this.getEmployees();
      this.getDeptTree();
      this.title = "编辑";
      this.editFormVisible = true;
      // 克隆一份数据-然后回显数据
      this.editForm = Object.assign({}, row);
    },
    //显示新增界面
    handleAdd: function () {
      this.getEmployees();
      this.getDeptTree();
      this.title = "新增";
      this.editFormVisible = true;
      // 清空模态框
      this.editForm = {
        id: null,
        sn: '',
        name: '',
        state: 1,
        parent_id: null,
        manager_id: null,
      };
    },
    //编辑 - 提交按钮
    editSubmit: function () {
      this.$refs.editForm.validate((valid) => {
        if (valid) {
          /*表单校验用的*/
          this.$confirm('确认提交吗？', '温馨提示', {}).
          then(() => {
            this.editLoading = true;  // 忙等框
            // 克隆数据
            let para = Object.assign({}, this.editForm);

            // 先从para中获取parent  null-没有选择上级部门   []-要么选了，有删除了
            let arr = para.parent_id; //
            if (arr && arr.length==0){
              // 后台通过long接收
              para.parent_id = null;
            }
            if (arr && arr.length>0){
              // 后台通过long接收
              para.parent_id = arr[arr.length-1];
            }

            this.$http.put("/dept",para)
            .then(res=>{
              this.editLoading = false; // 关闭忙等框
              if(res.data.success){
                this.$message({
                  message: '操作成功',
                  type: 'success'
                });
              }else{
                this.$message({
                  message: res.data.msg,
                  type: 'error'
                });
              }
              // 关闭模态框
              this.editFormVisible = false;
              // 刷新页面
              this.getDepartments();

             }).catch(res=>{
             this.$message({
              message: '系统异常，稍后重试',
              type: 'error'
              });
            })
          });
        }
      });
    },

    selsChange: function (sels) {
      this.sels = sels;
      //console.debug(this.sels)
    },
    //批量删除
    batchRemove: function () {
      var ids = this.sels.map(item => item.id);  // [1,2,3,4,5,6]
      this.$confirm('确认删除选中记录吗？', '温馨提示', {
        type: 'warning'
      }).then(() => {
        this.listLoading = true; // 开启忙等框
        this.$http.patch("/dept",ids)
            .then(res=>{
              // 关闭忙等框
              this.listLoading = false;
              if(res.data.success){
                this.$message({
                  message: '删除成功',
                  type: 'success'
                });
              }else{
                this.$message({
                  message: res.data.msg,
                  type: 'error'
                });
              }
              this.currentPage = 1;
              this.getDepartments();
            }).catch(res=>{
          this.$message({
            message: '系统异常，稍后重试',
            type: 'error'
          });
        })
        //NProgress.start();
        //	let para = { ids: ids };
        /*batchRemoveDepartment(para).then((res) => {
          this.listLoading = false;
          //NProgress.done();
          this.$message({
            message: '删除成功',
            type: 'success'
          });
          this.getDepartments();
        });*/
      }).catch(() => {
      });
    }
  },

  mounted() {
    this.getDepartments();
  }
}
</script>

<style scoped>

</style>